Diving mask with a soft nose projection and a drain mechanism

Details Diving mask with a soft nose projection and a drain mechanism Diving mask with a soft nose projection and a drain mechanism

1994-10-18

1996-10-15

Nerbun, Peter

Apparel

Guard or protector

For wearer's head

12820712, A61F 902

Patent

active

055641300

ABSTRACT:
A soft nose projection diving mask with a drain mechanism wherein a through hole is provided at the nose bottom of a nose projection body of the soft nose projection diving mask, and a drain valve mechanism consisting of an upper valve cover and a lower valve cover is engaged with and through the through hole. The upper or lower valve cover is provided with an unidirectional valve diaphragm that opens outward so that the soft nose projection diving mask has a natural drain activated by the diver's exhalation. The nose projection body is soft and is used in the operation of "balancing pressure". An assembly plate is formed on the bottom surface of the nose bottom of the nose projection body. A bridge frame is formed at one end of the assembly plate and conforms to the shape of the bridge portion of the nose projection body. The assembly plate is also provided with a valve diaphragm guard cover to cover the lower side of the lower valve cover.

REFERENCES:
patent: 3122962 (1964-03-01), De Angelis
patent: 4077068 (1978-03-01), Anderson
patent: 5329643 (1994-07-01), Sato

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